bellanna
Answered

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Urgent!!! PLEASE HELP, FAST!!!
All the items on the sale rack were 75 percent off their original price.
(empty table is shown)
If Jill bought an item on the sale rack and saved a total of $84, what is the value of x in the table above? (x=1/4)

84 = 3/4
how much is 1/4?
possible answers:
$21
$28
$84 - not
$112 - not

Sagot :

The best way to solve this is to put it into a proportion:
[tex] \frac{x}{84} = \frac{ \frac{1}{4} }{ \frac{3}{4} } [/tex]
So you cross multiply to get:
[tex]21= \frac{3}{4} x[/tex] (the 21 is from [tex] \frac{1}{4} [/tex]•84)
Then multiply by [tex] \frac{4}{3} [/tex]
And you get $28, so the reduced price would be $28.

Answer:

B

Step-by-step explanation:

Did on edge:)

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